Ultrasound Processor Selective Data Extraction for Doppler Imaging
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Solution Overview
Problem
Current ultrasound systems face challenges in efficiently extracting and processing relevant data for forming high-quality ultrasound images, particularly in selectively focusing on specific regions of interest for Doppler and motion imaging, which can lead to suboptimal image quality and increased computational burdens.
Innovation Solution
The ultrasound system incorporates a processor that selectively extracts necessary ultrasound data from stored data by setting a processing pulse repetition frequency and ensemble number, allowing for asynchronous extraction and formation of target ultrasound images, including Spectral, Color, and Vector Doppler images, using a combination of analog-to-digital conversion and reception beam-forming techniques to enhance image quality and reduce unnecessary data processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If all acquired ultrasound data is processed to form ultrasound images, then comprehensive image coverage is achieved, but computational burden increases significantly
Solution Approach 1:
The processor selectively extracts only the necessary ultrasound data from the stored data for forming target ultrasound images. This extraction approach removes unnecessary data processing while maintaining image quality, directly resolving the contradiction between comprehensive processing and computational burden.
2Speed
If ultrasound data is processed in real-time without storage, then processing speed is maintained, but data flexibility and reprocessing capability are reduced
Solution Approach 1:
The system stores acquired ultrasound data before final image formation, allowing for preliminary data preservation. This enables flexible reprocessing at different pulse repetition frequencies and ensemble numbers without requiring real-time re-acquisition, resolving the contradiction between processing speed and data flexibility.
3Ease of operation
If fixed pulse repetition frequency is used for data acquisition, then system operation is simplified, but adaptability to different imaging requirements is reduced
Solution Approach 1:
The system dynamically adjusts the processing pulse repetition frequency and ensemble number based on different imaging requirements (Spectral Doppler, Color Doppler, motion imaging). This dynamic adaptation allows the system to handle diverse imaging modes while maintaining ease of operation through automated parameter selection.
4Loss of information
If complete ultrasound data is stored for all possible processing needs, then data availability is maximized, but storage requirements increase
Solution Approach 1:
The processor extracts only the necessary data from stored ultrasound data for forming specific target images. This selective extraction maintains data availability for required imaging modes while reducing storage requirements by not preserving all possible data variations.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enables the formation of high-quality ultrasound images with improved connectivity and reduced computational load, allowing for better detection of blood flow velocities and tissue motion, while optimizing data usage and processing efficiency.
Implementation Method 1
a Doppler mode image indicative of velocities of a moving target object with spectral Doppler by using a Doppler effect
Implementation Method 2
emitting unfocused acoustic signals into a medium over substantially an entire field; receiving scattered and reflected ultrasonic signals on a transducer array
Data Source
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AI summary
An ultrasound system and a method of forming an ultrasound image by selectively extracting ultrasound data necessary for forming the ultrasound image from stored ultrasound data are disclosed. In one embodiment, an ultrasound system includes a storage unit configured to store ultrasound data acquired from an object; and a processor configured to selectively extract ultrasound data necessary for forming a target ultrasound image from the ultrasound data stored in the storage unit, and to form the target ultrasound image by using the extracted ultrasound data.